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Flex 1/2" Compact Impact Wrench Stacked Lithium Kit

Flex 1/2" Compact Impact Wrench Stacked Lithium Kit

4.9· 125 ratings

Best price now

$224.56at eBayObserved at 3:34 PM

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Our take on the Flex 1/2" Compact Impact Wrench Stacked Lithium Kit

The Flex 1/2" Compact Impact Wrench Stacked Lithium Kit is a cordless 24V impact wrench with a brushless motor, 450 ft-lbs of nut-busting torque and three speed settings up to 2,700 rpm. It is built for compactness, at 2.6 lb and roughly 5.5 in tall, so it fits where full-size impact wrenches won't. The kit ships with one 3.5Ah stacked lithium battery and a charger. At $224.56 at eBay as of November 3, 2026, it is the only new price listed, so there is no recent range to compare it against.

Best forLug nuts and suspension work on cars and light trucksWorking in tight engine bays and wheel wellsOwners already on the Flex 24V battery platformBuyers who want one battery and charger in the box
Pros
  • 450 ft-lbs nut-busting torque in a 2.6 lb body
  • Brushless motor with three speed settings
  • Compact 5.5 in height reaches tight spots
  • Friction ring makes socket changes quick
  • Stacked lithium battery and charger included
Cons
  • One 3.5Ah battery only; runtime depends on it
  • 450 ft-lbs is modest for heavy truck or rust-belt work
  • Flex 24V batteries and chargers cost more than some rival platforms
  • No belt hook or case listed in the kit

Flex 1/2" Compact Impact Wrench Stacked Lithium Kit prices at every store

  • eBayNew

    In stockSold by toolup

    $224.56Observed at 3:34 PM
    Visit store

Also available at

  • eBayCheck price at eBay
  • Acme ToolsCheck price at Acme Tools
  • Beaver Industrial SupplyCheck price at Beaver Industrial Supply
  • EngineerSupplyCheck price at EngineerSupply
  • Hartville HardwareCheck price at Hartville Hardware
  • Ohio Power ToolCheck price at Ohio Power Tool
  • ToolUp.comCheck price at ToolUp.com

Flex 1/2" Compact Impact Wrench Stacked Lithium Kit price history

Lowest price we've seen: $223.00 on Nov 3 at Acme Tools. Tracked across 7 stores since Nov 3.

What reviewers say

Rated 4.9 out of 5 from 125 ratings, owners mostly praise the power-to-size ratio and the compact body for tight spaces. Complaints center on battery cost and the single included pack.

Pros
  • Strong torque for its small size
  • Fits into tight wheel wells and engine bays
  • Solid build quality and smooth trigger control
Cons
  • Extra batteries are expensive
  • One battery limits all-day use

Specifications

Torque Range
450 ft lbs (610 Nm) (Nut-Busting)
Impacts Per Minute
3750
Speed Range
0-1,000/1,800/2,700 rpm
Driving Power
200% More Power (With 24V Stacked Lithium)
Speed Control
Variable speed trigger, Variable speed switch
Number Of Speed Settings
3
Motor Torque
450 foot-pounds (nut-busting)
Motor Type
Brushless
Motor Speed Settings
3
Battery Voltage
24V
Battery Type
Stacked Lithium
Battery Capacity
3.5Ah
Number Of Batteries Included
1
Battery Charge Time
100% faster charging
Battery Run Time
300% Longer Runtime (with THERMA-TECH+ Heat Management)
Chuck / Drive Size
1/2 inch
Chuck / Drive Type
Square drive
Chuck / Drive Subtype
Friction Ring
Weight
2.6 lb
Height
5.51 in
Length
4.9 in
Width
14.76 in
Power Source
Cordless
Power Voltage
24V

Questions and answers

Is 450 ft-lbs enough for lug nuts?
Yes for most cars and light trucks, where lug nuts are typically torqued to 80-150 ft-lbs. Very tight or rusted fasteners on heavy trucks may need a larger wrench.
How does it compare with a full-size impact wrench?
It gives up some peak torque but weighs 2.6 lb and stands about 5.5 in tall, so it reaches places a full-size gun won't. Keep a bigger wrench for stubborn suspension and hitch work.
What comes in the box?
The wrench, one 24V 3.5Ah stacked lithium battery and a charger. No case or belt hook is listed.
How long does the battery last?
Flex claims up to 300% longer runtime with its THERMA-TECH+ heat management, but real runtime depends on torque demand and fastener size. A spare battery is worth having for big jobs.
Does it use standard 1/2-inch sockets?
Yes. It has a 1/2-inch square drive with a friction ring, so common impact-rated sockets fit directly.
When is it cheapest?
Cordless tool kits usually drop during holiday sales and when a new generation launches. At $224.56 at eBay as of November 3, 2026, it is the only new price listed, so watch for bundle deals with extra batteries.
Where is the Flex 1/2" Compact Impact Wrench Stacked Lithium Kit cheapest?
At eBay, for $224.56, as of our latest check.
What do buyers say about the Flex 1/2" Compact Impact Wrench Stacked Lithium Kit?
Rated 4.9 out of 5 from 125 ratings.
Where can I buy the Flex 1/2" Compact Impact Wrench Stacked Lithium Kit?
7 stores we checked sell it, including eBay, Acme Tools, Beaver Industrial Supply, EngineerSupply, Hartville Hardware.